Oscillating plunger pump
[化] 摆动活塞泵
🧩 词语组成解析
[计] 振荡的
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Maybe he can do the same thing for your grandfather.
也许他能为你爷爷做同样的事。
For once, I haven't taken the wrong train!
我从来不曾误搭过一次列车。
He always talks big.
他总是吹牛。